What is the air quality trend in Tallinn?

Over the past 15 days, Tallinn had an average AQI of 78 based on station measurements. The worst day was 2026-08-05 with AQI 133.

How is Tallinn air quality measured?

Air quality in Tallinn is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Tallinn, Estonia

Name: Tallinn Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Tallinn, Estonia.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	19	3–73	5.0 µg/m³	24.6	9h	1
2026-08-07	18	2–114	5.0 µg/m³	14.8	24h	1
2026-08-06	54	6–154	16.8 µg/m³	22.2	23h	1
2026-08-05	133	20–171	57.0 µg/m³	65.5	24h	1
2026-08-04	118	69–162	44.6 µg/m³	47.4	23h	1
2026-08-03	100	25–162	38.3 µg/m³	49.9	23h	1
2026-08-02	102	29–161	36.6 µg/m³	39.8	23h	1
2026-08-01	106	28–159	38.8 µg/m³	44.2	24h	1
2026-07-31	103	26–156	36.6 µg/m³	39.7	24h	1
2026-07-30	100	29–143	34.7 µg/m³	36.5	24h	1
2026-07-29	61	36–90	17.4 µg/m³	18.4	24h	1
2026-07-28	71	17–144	22.7 µg/m³	26.8	24h	1
2026-07-27	67	29–97	19.9 µg/m³	22.5	24h	1
2026-07-26	64	15–90	19.0 µg/m³	21.8	24h	1
2026-07-25	59	40–76	16.1 µg/m³	17.4	15h	1

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